<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <style>
            div{
                border:1px solid red;
                width: 60px;
            }
            .div1{
                width: 200px;
                height: 200px;
                padding: 50px;
                box-sizing: border-box;
            }
            .div2{
                width: 100px;
                height: 100px;
                /*margin: 50px;*/
            }
            .div3{
                float: left;
            }
            .div4{
                float:left;
            }
            .div5{
                float: right;
            }


        </style>


    </head>
    <body>
        <div class="div1"> <div class="div2"> </div></div>
        <div class="div3">aaaa</div>
        <div class="div4">bbbb</div>
        <div class="div5">cccc</div>

    </body>
</html>